Related Questions

A machine P can print out one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M.While machine P is stopped at 11 A.M. and remaining two machines completed the work. Approximately at what at what time will the work time (to print one lakh books) be finished?
A small factory with 3 machines has a job of stamping out a number of pan covers. The newest machine can do the job is 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all the machine?
A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?
Three years ago, a machine was bought for Tk 1,00,000. The installation cost was Tk 20,000. The machine was depreciated in a straight line method at 20% per year. At the end of the 3rd year, the machine was sold for Tk 46,000. What is the gain/loss from sale of this machine?
Price of paper has increased by 20%. Approximately, what percent of the paper usage must be curtailed so that the expenditure for paper remains the same?
It takes Rumi 15 minutes to inspect a machine and Sami needs 18 minutes to inspect a machine. They both start inspecting machines separately at 9:00 AM. At certain points of time, both of them will finish inspecting a machine at the same time. When will this occur for the first time?
In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective?
In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective ?
In a shipment of 120 machine parts 5% were defective . In a shipment of 80 machine part, 10% were defective . For the two shipments combined , what percent of the machine parts were defective?
in a shipment of 120 machine parts, 5% were defective. In a shipment of 80 machine parts 10% were defective. For the two shipments combined, what percent of the machine parts were defective?